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Only had audio cct smoothing caps replaced with much higher values so far, and a snubber added over the AC winding. The implementation is pretty good on this player, but I will be looking to try different opamps. Supply is +/-10v.

DAC/Audio PCB;

OP opamps - note there is no output cap, the pot is to adjust for 0v offset, so final opamp would need to support this;

For anyone who is interested other mods are a Trichord Clock 4.2, multiple voltage regulators in place of current limiting resistors (some are DIY low noise), a JLH Ripple eater on the PS, Panny Caps replacing standard PS caps, HDAM modules by-passed and other stuff that I probably can't remember